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Texas oil lease

Producing

UL MONTGOMERY 1003-21

Ul Montgomery 1003-21 is an oil lease in Winkler County, Texas, operated by WPX Energy Permian, LLC in the Phantom (Wolfcamp) field.

6 wells

335,761bbl oil, last 12 months−45% vs prior year
Operator
WPX Energy Permian, LLC
County
Winkler County
Field
Phantom (Wolfcamp)
RRC lease
08-50523

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Where it sits

This county

Winkler CountyWinklerAndrewsWardLovingEctorWinkler County
Winkler County
Gas, last 12 months
421,558 mcf
Oil in Jul 2026
25,077 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: CARDINAL DELAWARE BASIN, LLC, ETC TEXAS P/L, LTD, MARKWEST ENERGY W TX GAS CO, LLC replaced ET GATHERING & PROCESSING LLC, MEDALLION DELAWARE BASIN, LLC as the buyer of this lease's gas from oil wells on Jul 21, 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 45% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 45% over the last 12 monthsMonthly oil production and gas for UL MONTGOMERY 1003-21, Aug 2023 to Jul 2026. Oil output fell 45% over the last 12 months. 335,761 bbl in the 12 months through Jul 2026, against 606,015 bbl in the 12 months before.Last 12 months: 335,761 bblbbl per monthmcf per month0025k25k50k50k75k75k100k100k125k125kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 45% over the last 12 monthsMonthly oil production and gas for UL MONTGOMERY 1003-21, Aug 2023 to Jul 2026. Oil output fell 45% over the last 12 months. 335,761 bbl in the 12 months through Jul 2026, against 606,015 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0025k25k50k50k75k75k100k100k125k125kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
All of the gas went to a processing plant in the last 12 monthsShare of UL MONTGOMERY 1003-21 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of UL MONTGOMERY 1003-21 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    100% · 421,548 mcf

  • Flared (4)

    0.0% · 10 mcf

Who has run this lease

The operator changed once, most recently in May 2020

Operators of this lease over timeFelix Energy Holdings II, LLC, Jan 2020 to Apr 2020; WPX Energy Permian, LLC, May 2020 to Jul 20262020202120222023202420252026Changed May 2020Felix Energy Holdings II, LLCJan 2020 to Apr 2020WPX Energy Permian, LLCMay 2020 to now
Operators of this lease over timeFelix Energy Holdings II, LLC, Jan 2020 to Apr 2020; WPX Energy Permian, LLC, May 2020 to Jul 20262020202120222023202420252026Changed May 2020Felix Energy Holdings II, LLCJan 2020 to Apr 2020WPX Energy Permian, LLCMay 2020 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

6 wells on this lease

Wells on UL MONTGOMERY 1003-21
API numberWell no.Status
42-495-340281HActive
42-495-34902412HActive
42-495-34903421HActive
42-495-34904413HActive
42-495-34905422HActive
42-495-34906414HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Stateline Crude, LLCOilGathers60Jul 21, 2025–
Concord Crude Oil Marketing LLCOilGathers10Jul 21, 2025–
Ngl Crude Assets and Mktg, LLCOilGathers10Jul 21, 2025–
Plains Pipeline L.p.OilGathers10Jul 21, 2025–
Enterprise Crude Oil LLCOilGathers5Jul 21, 2025–
Shell Trading (Us) CompanyOilGathers5Jul 21, 2025–
Stateline Processing, LLCCasinghead gasBuys80Jul 21, 2025–
Cardinal Delaware Basin, LLCCasinghead gasBuys5Jul 21, 2025–
Delaware Basin Midstream LLCCasinghead gasBuys5Jul 21, 2025–
Etc Texas P/L, LTDCasinghead gasBuys5Jul 21, 2025–
Markwest Energy W TX Gas Co, LLCCasinghead gasBuys5Jul 21, 2025–
Stateline Gathering, LLCCasinghead gasGathers100May 1, 2023–
Delaware Basin Midstream LLCCasinghead gasBuys10Oct 1, 2023Jul 21, 2025
Et Gathering & Processing LLCCasinghead gasBuys30Oct 1, 2023Jul 21, 2025
Medallion Delaware Basin, LLCCasinghead gasBuys30Oct 1, 2023Jul 21, 2025
Stateline Processing, LLCCasinghead gasBuys30Oct 1, 2023Jul 21, 2025
Ngl Crude Logistics, LLCOilGathers10Oct 1, 2023Jul 21, 2025
Plains Pipeline L.p.OilGathers30Oct 1, 2023Jul 21, 2025

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

1,281.40 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 643.35 and 1,281.4 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for Ul Montgomery 1003-21
API numberWell no.Acreson the permit
42-495-34902412H1,281.40
42-495-34903421H1,281.40
42-495-34904413H1,281.40
42-495-34905422H1,281.40
42-495-34906414H1,281.40
42-495-340281H643.35

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

What Devon Energy Corporation told investors it received

WPX Energy Permian, LLC is linked to Devon Energy Corporation (DVN).
Realized prices reported by Devon Energy Corporation
QuarterOil$ per bblFiling
Q2 2026$95.10SEC filing
Q1 2026$69.66SEC filing
Q4 2025$57.19SEC filing
Q3 2025$63.21SEC filing
Q2 2025$61.70SEC filing
Q1 2025$69.13SEC filing

SourceDevon Energy Corporation quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for UL MONTGOMERY 1003-21
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026WPX Energy25,07724,91130,17930,1790$80.46$2.89
Jun 2026WPX Energy25,30725,40431,78631,7860$84.81$3.15
May 2026WPX Energy31,75831,37539,20839,2053$102.13$2.94
Apr 2026WPX Energy22,08322,09624,57624,5760$100.32$2.77
Mar 2026WPX Energy20,43920,47124,61424,6140$91.38$3.04
Feb 2026WPX Energy24,22824,37429,41029,4100$64.51$3.62
Jan 2026WPX Energy27,86127,53833,03333,0267$60.04$7.72
Dec 2025WPX Energy29,01428,98336,66336,6630$57.97$4.26
Nov 2025WPX Energy30,22830,20839,11439,1140$60.06$3.79
Oct 2025WPX Energy32,49233,11743,71643,7160$60.89$3.19
Sep 2025WPX Energy33,36133,09942,69542,6950$63.96$2.97
Aug 2025WPX Energy33,91333,86146,56446,5640$64.86$2.91
Jul 2025WPX Energy33,52233,36143,76343,7630$68.39$3.20
Jun 2025WPX Energy33,54733,76540,36940,3636$68.17$3.02
May 2025WPX Energy35,98036,02554,45054,4500$62.17$3.12
Apr 2025WPX Energy39,27639,17455,30955,28029$63.54$3.42
Mar 2025WPX Energy43,91444,15753,24353,2403$68.24$4.12
Feb 2025WPX Energy44,21444,16755,37155,3710$71.53$4.19
Jan 2025WPX Energy52,53752,43763,00763,0070$75.74$4.13
Dec 2024WPX Energy55,91655,61867,74967,7490$70.12$3.01
Nov 2024WPX Energy60,97861,05270,79270,7920$69.95$2.12
Oct 2024WPX Energy69,90069,95880,06180,0610$71.99$2.20
Sep 2024WPX Energy75,88875,63387,49587,40788$70.24$2.28
Aug 2024WPX Energy60,34360,26263,12462,84225$76.68$1.99
Jul 2024WPX Energy64,40264,37668,31268,0540$81.80$2.07
Jun 2024WPX Energy82,37782,62285,85585,5920$79.77$2.54
May 2024WPX Energy119,403119,335113,660113,3954$80.02$2.12
Apr 2024WPX Energy64,26463,53762,82462,7927$85.35$1.60
Mar 2024WPX Energy023000$81.28$1.49
Feb 2024WPX Energy3,1113,2574,8874,7140$77.25$1.72
Jan 2024WPX Energy4,8914,9417,3487,0710$74.15$3.18
Dec 2023WPX Energy5,0175,0067,3397,0620$71.90$2.52
Nov 2023WPX Energy3,5953,7085,9615,6930$77.69$2.71
Oct 2023WPX Energy4,8564,7357,5037,2260$85.64$2.98
Sep 2023WPX Energy4,7704,5627,0416,7730$89.43$2.64
Aug 2023WPX Energy4,6915,1078,2617,9840$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

OperatorWPX Energy Permian, LLCFieldPhantom (Wolfcamp)CountyWinkler County

WPX Energy Permian, LLC in Winkler County

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Phantom (Wolfcamp) field

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